CN115354565A - HA grade lightweight aggregate concrete buffer stop of railway strides on highway - Google Patents
HA grade lightweight aggregate concrete buffer stop of railway strides on highway Download PDFInfo
- Publication number
- CN115354565A CN115354565A CN202210991910.5A CN202210991910A CN115354565A CN 115354565 A CN115354565 A CN 115354565A CN 202210991910 A CN202210991910 A CN 202210991910A CN 115354565 A CN115354565 A CN 115354565A
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- Prior art keywords
- lightweight aggregate
- aggregate concrete
- railway
- reinforcement
- guardrail
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses an HA-grade lightweight aggregate concrete anti-collision device for crossing railways on a road, which comprises a bridge deck plate, wherein a guardrail wall body is arranged at the upper end of the bridge deck plate, the guardrail wall body and the bridge deck plate are cast into a whole together by adopting a high-strength lightweight aggregate concrete vertical mold, a protective structure is connected to the upper end of the guardrail wall body, a reinforcement structure is arranged in the guardrail wall body, the protective structure is an assembled structure vertical to the bridge deck plate, and an anchoring bolt is arranged in the top of the guardrail wall body and used for fixing an embedded steel plate. The invention effectively prevents the highway from falling into the railway, effectively prevents the automobile from overturning and rolling over the guardrail and falling into the railway, and adopts the lightweight aggregate concrete material to effectively reduce the dead weight of the anti-collision wall so as to be beneficial to the stress of the highway bridge structure. The invention has simple structure and convenient construction and operation, the weight of the wall body is greatly reduced by the lightweight aggregate concrete, and the lightweight aggregate concrete can be widely applied to the highway-span iron bridge and has extremely high popularization value.
Description
Technical Field
The invention belongs to the technical field of bridge engineering collision avoidance, and particularly relates to an HA-grade lightweight aggregate concrete collision avoidance device for crossing railways on a highway.
Background
In recent years, infrastructure construction in China has been vigorously developed. The traffic design scheme of existing railway strides on newly-built highway sometimes takes place, and the operation safety relation society of highway, railway is lively and welfare, once the car that traveles at a high speed rushes out the lane and strikes on the railway or spills on the railway from the heavier, great object that the highway top was thrown, will produce very big influence to the railway operation.
When the crossing type of the highway and the railway reaches above grade III, an HA grade anti-collision guardrail is needed, meanwhile, an anti-falling object net needs to be additionally arranged on a highway crossing railway section, and the height is not lower than 2.5m, so that a road side protection scheme for a highway crossing railway section is well made, and the condition that the operation safety of the railway cannot be threatened when the highway crosses the railway is very important. But a design general diagram of the grade anti-collision guardrail and the anti-falling object net suitable for crossing the railway on the highway is not provided, which brings a difficult problem to the design of the highway crossing iron and hinders the industrial popularization of the latest scientific and technological achievements.
Disclosure of Invention
The invention aims to provide an HA-grade lightweight aggregate concrete anti-collision device for crossing railways on a road.
The technical scheme of the invention is as follows: the utility model provides a HA level lightweight aggregate concrete buffer stop of railway strides on highway, includes the decking, the decking upper end is provided with the guardrail wall body, and the guardrail wall body adopts high-strength lightweight aggregate concrete to found the mould cast-in-place as an organic whole together with the decking, guardrail wall body upper end is connected with protective structure, set up the arrangement of reinforcement structure in the guardrail wall body, protective structure is the structure of assembling of perpendicular to decking.
Furthermore, an anchoring bolt is arranged in the top of the guardrail wall body and used for fixing the embedded steel plate.
Furthermore, the upper end of the embedded steel plate is provided with a stand column which is perpendicular to the embedded steel plate.
Furthermore, the stand is many, and two stands are provided with protective structure.
Still further, the guardrail wall body includes the wide portion in the end that links to each other with the decking, end wide portion upper end is provided with transition portion, transition portion upper end is provided with gradually narrow upper portion.
Furthermore, a top outer convex part is formed at the inner side wall of the gradually narrowed upper part, and the top outer convex part is in an arc top strip shape.
Still further, the reinforcement structure includes a reinforcement for reinforcing the guardrail wall body, and the reinforcement structure includes a reinforcement connection reinforcement for both reinforcement and connection with the decking.
Furthermore, the reinforcing ribs comprise N1 ribs, N2 ribs, N3 ribs, N4 ribs, N5 ribs and N6 ribs.
Furthermore, the reinforcing and connecting reinforcement comprises N2 ribs, N3 ribs and N4 ribs, and the lower parts of the N2 ribs, the N3 ribs and the N4 ribs extend out of the guardrail wall body and enter the bridge deck.
Furthermore, the protective structure comprises a lower protective plate positioned below, and an upper protective plate connected with the lower protective plate is arranged at the upper end of the lower protective plate.
The invention effectively prevents the highway from falling into the railway, effectively prevents the automobile from overturning and rolling over the guardrail and falling into the railway, and adopts the lightweight aggregate concrete material to effectively reduce the dead weight of the anti-collision wall so as to be beneficial to the stress of the highway bridge structure.
The invention has simple structure and convenient construction and operation, greatly reduces the weight of the wall body by the lightweight aggregate concrete, can be widely applied to the highway-span iron bridge and has extremely high popularization value.
Drawings
FIG. 1 is a side view of the present invention;
FIG. 2 is an elevational view of the present invention;
FIG. 3 is a schematic view of the construction of the guardrail wall of the present invention;
FIG. 4 is a disassembled view of the reinforcement structure of the present invention;
FIG. 5 is a schematic view of the construction of the mounting connection part in the present invention;
wherein:
1. protective structure 2 anchor bolt
3. Guardrail wall 4 bridge deck
5. Bolt 6 rivet
7. Upright post 8 embedded steel plate
9. The top of the mounting connection part 10 is convex
11. Bottom width of transition portion 12
13 N1 rib 14 N2 rib
15 N3 rib 16 N4 rib
17 N5 rib 18 N6 rib
19. Upper guard plate 20 lower guard plate
21. Upper card slot 22 and lower card slot.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings and examples:
as shown in fig. 1 to 5, a HA level lightweight aggregate concrete buffer stop of railway is striden on highway, including decking 4, decking 4 upper end is provided with guardrail wall 3, and guardrail wall 3 adopts high strength lightweight aggregate concrete to found the mould as an organic whole together with decking 4, 3 upper ends of guardrail wall are connected with protective structure 1, set up arrangement of reinforcement structure in the guardrail wall 3, protective structure 1 is the structure of assembling of perpendicular to decking 4.
Be provided with anchor bolt 2 in 3 tops of guardrail wall, anchor bolt 2 is fixed pre-buried steel sheet 8.
The upper end of the embedded steel plate 8 is provided with a stand column 7, and the stand column 7 is perpendicular to the embedded steel plate 8.
The stand 7 is many, and two stands 7 are provided with protective structure 1.
The guardrail wall body 3 includes the end wide portion 12 that links to each other with decking 4, end wide portion 12 upper end is provided with transition portion 11, 11 upper ends in transition portion are provided with the gradually narrow upper portion.
The inside wall department on the gradually narrowing upper portion forms top epirelief 10, top epirelief 10 is the arc top strip shape.
The reinforcement structure is including being used for carrying out the reinforced reinforcement that consolidates to guardrail wall body 3, and the reinforcement structure is including not only being used for consolidating but also being used for the reinforcement connection reinforcement of being connected with decking 4.
The reinforcing bars comprise N1 reinforcing bars 13, N2 reinforcing bars 14, N3 reinforcing bars 15, N4 reinforcing bars 16, N5 reinforcing bars 17 and N6 reinforcing bars 18.
The reinforced connecting reinforcement comprises N2 reinforcements 14, N3 reinforcements 15 and N4 reinforcements 16, and the lower parts of the N2 reinforcements 14, the N3 reinforcements 15 and the N4 reinforcements 16 extend out of the guardrail wall body 3 and enter the bridge deck 4.
The protective structure 1 comprises a lower protective plate 20 positioned below, and an upper protective plate 19 connected with the upper end of the lower protective plate 20 is arranged at the upper end of the lower protective plate 20.
Specifically, the shape of the N1 rib 13 is adapted to the cross-sectional profile of the guardrail wall 3, the internal folding angle of the top of the N1 rib 13 is 96 °, the folding angle of the upper transition part of the N1 rib 13 is 173 °, and the lower part of the N1 rib 13 does not enter the bridge deck 4, as shown in fig. 4.
Specifically, the N2 rib 14 is L-shaped, and the top of the N2 rib 14 is located at the junction of the transition portion 11 and the bottom wide portion 12. The lower part of the N2 tendon 14 enters the bridge deck 4 as shown in fig. 4.
Specifically, the N3 ribs 15 are in a folded line shape, an included angle of the folded line of the N3 ribs 15 is an obtuse angle, and the lower portion of the N3 rib 15 enters the bridge deck 4, as shown in fig. 4.
Specifically, the N4 rib 16 is L-shaped, and a lower portion of the N4 rib 16 enters the bridge deck 4, as shown in fig. 4.
Specifically, the N5 rib 17 is linear, and the N5 rib 17 does not enter the deck plate 4, as shown in fig. 4.
Specifically, the N6 ribs 18 are groove-shaped, and the N6 ribs 18 do not enter the bridge deck 4, as shown in fig. 4.
Specifically, stand 7 is H shaped steel, and the both sides cell body of stand 7 holds guard plate 20, last guard plate 19 down, form the through-hole in the cell wall of stand 7, form the screw in the lateral wall of guard plate 20, last guard plate 19 down, bolt 5 passes above-mentioned through-hole and twists to fix guard plate 20, last guard plate 19 down in the screw.
Specifically, the embedded steel plate 8 is fixed by at least four anchor bolts 2.
Yet another embodiment
The utility model provides a HA level lightweight aggregate concrete buffer stop of railway strides on highway, includes decking 4, 4 upper ends of decking are provided with guardrail wall 3, and guardrail wall 3 adopts high-strength lightweight aggregate concrete upright mould cast as an organic whole together with decking 4, 3 upper ends of guardrail wall are connected with protective structure 1, set up the arrangement of reinforcement structure in the guardrail wall 3, protective structure 1 is the structure of assembling of perpendicular to decking 4.
Be provided with anchor bolt 2 in 3 tops of guardrail wall, anchor bolt 2 is fixed pre-buried steel sheet 8.
The upper end of the embedded steel plate 8 is provided with a stand column 7, and the stand column 7 is perpendicular to the embedded steel plate 8.
The stand 7 is many, and two stands 7 are provided with protective structure 1.
The guardrail wall body 3 includes the end wide portion 12 that links to each other with decking 4, end wide portion 12 upper end is provided with transition portion 11, 11 upper ends in transition portion are provided with the gradually narrow upper portion.
The inner side wall of the gradually narrowed upper portion forms a top outer convex portion 10, and the top outer convex portion 10 is in an arc top strip shape.
The reinforcement structure is including being used for carrying out the reinforced reinforcement that consolidates to guardrail wall body 3, and the reinforcement structure is including not only being used for consolidating but also being used for the reinforcement connection reinforcement of being connected with decking 4.
The reinforcing ribs comprise N1 ribs 13, N2 ribs 14, N3 ribs 15, N4 ribs 16, N5 ribs 17 and N6 ribs 18.
The reinforced connecting reinforcement comprises N2 reinforcements 14, N3 reinforcements 15 and N4 reinforcements 16, and the lower parts of the N2 reinforcements 14, the N3 reinforcements 15 and the N4 reinforcements 16 extend out of the guardrail wall body 3 and enter the bridge deck 4.
The protective structure 1 comprises a lower protective plate 20 positioned below, and an upper protective plate 19 connected with the upper end of the lower protective plate 20 is arranged at the upper end of the lower protective plate 20.
Specifically, the shape of the N1 rib 13 is adapted to the cross-sectional profile of the guardrail wall 3, the internal folding angle of the top of the N1 rib 13 is 96 °, the folding angle of the upper transition part of the N1 rib 13 is 173 °, and the lower part of the N1 rib 13 does not enter the bridge deck 4, as shown in fig. 4.
Specifically, the N2 rib 14 is L-shaped, and the top of the N2 rib 14 is located at the joint of the transition portion 11 and the bottom wide portion 12. The lower part of the N2 tendon 14 enters the bridge deck 4 as shown in fig. 4.
Specifically, the N3 ribs 15 are in a folded line shape, an included angle of the folded line of the N3 ribs 15 is an obtuse angle, and the lower portion of the N3 rib 15 enters the bridge deck 4, as shown in fig. 4.
Specifically, the N4 rib 16 is L-shaped, and a lower portion of the N4 rib 16 enters the bridge deck 4, as shown in fig. 4.
Specifically, the N5 rib 17 is linear, and the N5 rib 17 does not enter the bridge deck 4, as shown in fig. 4.
Specifically, the N6 ribs 18 are in a groove shape, and the N6 ribs 18 do not enter the bridge deck 4, as shown in fig. 4.
Specifically, stand 7 is H shaped steel, and the both sides cell body of stand 7 holds guard plate 20, last guard plate 19 down, form the through-hole in the cell wall of stand 7, form the screw in the lateral wall of guard plate 20, last guard plate 19 down, bolt 5 passes above-mentioned through-hole and twists to fix guard plate 20, last guard plate 19 down in the screw.
Specifically, the embedded steel plate 8 is fixed by at least four anchor bolts 2.
In this embodiment, the lower guard plate 20 and the upper guard plate 19 are vertically connected by the mounting connection portion 9.
Specifically, the mounting and connecting portion 9 includes an upper engaging groove 21 in the upper protection plate 19 and a lower engaging groove 22 in the lower protection plate 20, and the upper engaging groove 21 receives the lower engaging groove 22.
Furthermore, the side walls of the upper clamping groove 21 and the lower clamping groove 22 are fixed through rivets 6, and the rivets 6 are uniformly distributed at equal intervals.
In particular, the protective structure 1 can prevent falling objects on the bridge from falling into the railway.
The guardrail can prevent that the car from toppling, rolling and crossing the guardrail and fall into the railway, and guardrail wall 3 can be effectual can transmit the striking of car to the decking, and guardrail wall 3 adopts lightweight aggregate concrete material can effectively reduce the crashproof wall dead weight and then be favorable to highway bridge structures atress, satisfies current trade standard requirement simultaneously.
Protective structure 1 sets up in guardrail wall 3's top, and decking 4 is located guardrail wall 3's below, and guardrail wall 3 adopts LC30 high-strength lightweight aggregate concrete to found the mould and cast-in-place shaping together with decking 4, and 3 insides of guardrail wall are by including the reinforcing bar, and the reinforcing bar is by the reinforcing bar net that N1 muscle 13, N2 muscle 14, N3 muscle 15, N4 muscle 16, N5 muscle 17, N6 muscle 18 are constituteed.
The guardrail wall body 3 is connected with the bridge deck 4 through the N2 ribs 14, the N3 ribs 15 and the N4 ribs 16 to form a stressed whole, so that the anti-sliding and anti-overturning performance of the guardrail wall body 3 can be improved, and the requirements of the existing industry specifications are met.
The protective structure 1 is connected with the H-shaped upright post 7 in an M16 bolt jacking manner, the M16 bolt is required to be ensured to be vertical to flange surfaces of the protective structure 1 and the H-shaped upright post 7, and the protective structure 1 and the H-shaped upright post 7 are connected in an electric welding manner after being jacked tightly; each protective structure 1 is formed by combining and connecting an upper protective plate 19 and a lower protective plate 20 through open type flat round head self-plugging rivets.
The working principle of the invention is as follows
Protective structure 1, guardrail wall 3 can prevent that the car from toppling, roll and cross protective structure 1, guardrail wall 3 falls into under the bridge that has the operation railway, guardrail wall 3 can be effectual can transmit the striking of car to the decking on, protective structure 1 can effectually prevent that debris from falling to under the bridge on the bridge, satisfy current trade standard requirement, adopt LC30 lightweight aggregate concrete, greatly alleviate the whole weight that anticollision wall adds protective structure system, it is very favourable to bridge floor cantilever plate atress, it has very high spreading value to change the field at the public iron bridge roof beam anticollision barrier of striding of old standard construction.
The invention effectively prevents the highway from falling into the railway, effectively prevents the automobile from overturning and rolling over the guardrail and falling into the railway, and adopts the lightweight aggregate concrete material to effectively reduce the dead weight of the anti-collision wall so as to be beneficial to the stress of the highway bridge structure.
The invention has simple structure and convenient construction and operation, greatly reduces the weight of the wall body by the lightweight aggregate concrete, can be widely applied to the highway-span iron bridge and has extremely high popularization value.
Claims (10)
1. The utility model provides a HA level lightweight aggregate concrete buffer stop of railway is striden on highway, includes decking (4), its characterized in that: bridge panel (4) upper end is provided with guardrail wall (3), and guardrail wall (3) adopt high strength lightweight aggregate concrete to found the mould as an organic whole together with bridge panel (4) cast-in-place, guardrail wall (3) upper end is connected with protective structure (1), set up arrangement of reinforcement structure in guardrail wall (3), protective structure (1) is the structure of assembling of perpendicular to bridge panel (4).
2. The HA-grade lightweight aggregate concrete anti-collision device for the road crossing railway according to claim 1, which is characterized in that: the guardrail is characterized in that an anchoring bolt (2) is arranged in the top of the guardrail wall body (3), and the embedded steel plate (8) is fixed by the anchoring bolt (2).
3. The HA grade lightweight aggregate concrete anti-collision device crossing the railway on the road according to claim 2, characterized in that: the upper end of the embedded steel plate (8) is provided with an upright post (7), and the upright post (7) is perpendicular to the embedded steel plate (8).
4. The HA-grade lightweight aggregate concrete anti-collision device crossing the railway on the road according to claim 3, characterized in that: the upright posts (7) are multiple, and the two upright posts (7) are provided with protective structures (1).
5. The HA-grade lightweight aggregate concrete anti-collision device for the road crossing railway according to claim 1, which is characterized in that: guardrail wall (3) include bottom wide portion (12) that link to each other with decking (4), bottom wide portion (12) upper end is provided with transition portion (11), transition portion (11) upper end is provided with gradually narrow upper portion.
6. The HA-grade lightweight aggregate concrete anti-collision device crossing the railway on the road according to claim 5, characterized in that: the inner side wall of the gradually narrowed upper portion forms a top outer convex portion (10), and the top outer convex portion (10) is in an arc top strip shape.
7. The HA-grade lightweight aggregate concrete anti-collision device for the road crossing railway according to claim 1, which is characterized in that: the reinforcement structure comprises a reinforcing reinforcement for reinforcing the guardrail wall body (3), and the reinforcement structure comprises a reinforcing connection reinforcement for reinforcing and connecting with the bridge deck (4).
8. The HA-grade lightweight aggregate concrete anti-collision device crossing the railway on the road according to claim 7, characterized in that: the reinforcing reinforcement comprises an N1 reinforcement (13), an N2 reinforcement (14), an N3 reinforcement (15), an N4 reinforcement (16), an N5 reinforcement (17) and an N6 reinforcement (18).
9. The HA grade lightweight aggregate concrete anticollision device for crossing railway on road according to claim 8, characterized in that: the reinforcing and connecting reinforcement comprises N2 reinforcements (14), N3 reinforcements (15) and N4 reinforcements (16), wherein the lower parts of the N2 reinforcements (14), the N3 reinforcements (15) and the N4 reinforcements (16) extend out of the guardrail wall body (3) and enter the bridge deck (4).
10. The HA-grade lightweight aggregate concrete anti-collision device for the road crossing railway according to claim 1, which is characterized in that: the protective structure (1) comprises a lower protective plate (20) located below, and an upper protective plate (19) connected with the lower protective plate (20) is arranged at the upper end of the lower protective plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210991910.5A CN115354565A (en) | 2022-08-18 | 2022-08-18 | HA grade lightweight aggregate concrete buffer stop of railway strides on highway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210991910.5A CN115354565A (en) | 2022-08-18 | 2022-08-18 | HA grade lightweight aggregate concrete buffer stop of railway strides on highway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115354565A true CN115354565A (en) | 2022-11-18 |
Family
ID=84003639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210991910.5A Pending CN115354565A (en) | 2022-08-18 | 2022-08-18 | HA grade lightweight aggregate concrete buffer stop of railway strides on highway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115354565A (en) |
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2022
- 2022-08-18 CN CN202210991910.5A patent/CN115354565A/en active Pending
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